372. Polygonum amphibium.
In Ditches, Ponds, and on the Banks of Rivulets, frequent.
373. Polygonum Persicaria.
In Ditches and watery Places, common.
374. Polygonum lapathifolium.
On Rubbish and cultivated Ground.
375. Polygonum Hydropiper.
In Watery Places and by Ditches, frequent.
376. Polygonum minus.
At Mordent Carrs near Darlington, D.—W. Backhouse, jun.
377. Polygonum Bistorta.
In Meadows and Woods, on Tyne, Wear, Tees, and Team.
378. Polygonum viviparum.
In alpine Pastures near Egleston, Middleton, and in Teesdale Forest; and on the Banks of Wear at Burtree Ford, Weardale, D.
379. Polygonum aviculare.
In waste Places and by Road Sides.
380. Polygonum Tagopyrum.
On the Ballast Hills of Tyne and Wear.
381. Polygonum Convolvulus.
In Corn Fields and Gardens, common.
